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[280605]: pas_segmented_vector's iterate functions should handle memory ordering ...: pas_segmented_vector's iterate functions should handle memory ordering correctly https://bugs.webkit.org/show_bug.cgi?id=228746 Reviewed by Mark Lam. Also fixed a missing store-store fence in bitfit_directory's use of a segmented vector. ...; By fpizlo@apple.com — Aug 3, 2021, 12:15:21 PM
[278942]: RegisterSet should be smaller ...: RegisterSet should be smaller https://bugs.webkit.org/show_bug.cgi?id=227078 Reviewed by Geoff Garen. Previously, every RegisterSet would have an extra 64-bit word in it just to hold state relevant to hashtable keys. But RegisterSet is ...; By fpizlo@apple.com — Jun 16, 2021, 11:08:37 AM
[278476]: Don't emit the NotDouble checks if we're already NotDouble. Rubber ...: Don't emit the NotDouble checks if we're already NotDouble. Rubber stamped by Saam Barati. * dfg/DFGSpeculativeJIT.cpp: (JSC::DFG::SpeculativeJIT::speculateNotDouble): * ftl/FTLLowerDFGToB3.cpp: (JSC::FTL::DFG::LowerDFGToB3::speculateNot ...; By fpizlo@apple.com — Jun 4, 2021, 11:14:46 AM
[278465]: DFG should speculate on CompareStrictEq(@x, @x) ...: DFG should speculate on CompareStrictEq(@x, @x) https://bugs.webkit.org/show_bug.cgi?id=226621 Reviewed by Mark Lam. JSTests: * microbenchmarks/untyped-stricteq-self.js: Added. (foo): * stress/untyped-stricteq-self-fail.js: Added. (bar) ...; By fpizlo@apple.com — Jun 4, 2021, 9:32:57 AM
[278424]: DFG should eliminate obvious store barriers ...: DFG should eliminate obvious store barriers https://bugs.webkit.org/show_bug.cgi?id=226604 Reviewed by Mark Lam. This has a couple changes: - PutByOffset doesn't GC! So let's not say that it does. - The store barrier clustering ...; By fpizlo@apple.com — Jun 3, 2021, 3:27:32 PM
[277326]: Tune number of threads for AS ...: Tune number of threads for AS https://bugs.webkit.org/show_bug.cgi?id=225635 Reviewed by Mark Lam. Using 4 GC markers (which really means 3 parallel GC worker threads -- the mutator thread is the 4th), 2 DFG threads, and 2 FTL threads se ...; By fpizlo@apple.com — May 11, 2021, 8:52:17 AM
[277133]: Remove old and unused memory barrier abstractions ...: Remove old and unused memory barrier abstractions https://bugs.webkit.org/show_bug.cgi?id=225487 Reviewed by Mark Lam. We don't use memoryBarrierBlahBlah anymore. * wtf/Atomics.h: (WTF::memoryBarrierAfterLock): Deleted. (WTF::memoryBarr ...; By fpizlo@apple.com — May 6, 2021, 3:30:16 PM
[277118]: Make some things easier to dataLog in wasm ...: Make some things easier to dataLog in wasm https://bugs.webkit.org/show_bug.cgi?id=225472 Reviewed by Yusuke Suzuki. * wasm/WasmMemoryMode.cpp: (WTF::printInternal): * wasm/WasmMemoryMode.h: * wasm/WasmWorklist.cpp: (JSC::Wasm::Worklist: ...; By fpizlo@apple.com — May 6, 2021, 1:55:29 PM
[277117]: Reduce use of dmb ish on ARM64 ...: Reduce use of dmb ish on ARM64 https://bugs.webkit.org/show_bug.cgi?id=225465 Reviewed by Keith Miller. Source/JavaScriptCore: We use loadLoadFence a lot, often in situations like: Foo* ptr = loadStuff; loadLoadFence(); ...; By fpizlo@apple.com — May 6, 2021, 1:54:16 PM
[277110]: It should be possible to --logJIT=true ...: It should be possible to --logJIT=true https://bugs.webkit.org/show_bug.cgi?id=225464 Reviewed by Mark Lam. This makes it easy to just log when JITing happens. It's like --dumpDisassembly=true but without the disassembly. * assembler/Li ...; By fpizlo@apple.com — May 6, 2021, 12:41:15 PM

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